/*******************************************************************************
 * Copyright 2010 Mario Zechner (contact@badlogicgames.com)
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the
 * License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.physics.box2d;

/**
 * This holds contact filtering data.
 * @author mzechner
 * 
 */
public class Filter {
	/**
	 * The collision category bits. Normally you would just set one bit.
	 */
	public short categoryBits = 0x0001;

	/**
	 * The collision mask bits. This states the categories that this shape would accept for collision.
	 */
	public short maskBits = -1;

	/**
	 * Collision groups allow a certain group of objects to never collide (negative) or always collide (positive). Zero means no
	 * collision group. Non-zero group filtering always wins against the mask bits.
	 */
	public short groupIndex = 0;
}
